Observation of charge-density wave domains on the Cr(110) surface by low-temperature scanning tunneling microscopy

被引：24

作者：

Braun, KF ^{[1
]}

Fölsch, S ^{[1
]}

Meyer, G ^{[1
]}

Rieder, KH ^{[1
]}

机构：

[1] Free Univ Berlin, Inst Phys Expt, D-14195 Berlin, Germany

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.85.3500

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied the Cr(110) surface with low-temperature scanning tunneling microscopy at 6 to 145 K. For tunneling voltages below +/- 150 mV we observe a surface charge-density wave (CDW) with a wavelength of 42 Angstrom and wave fronts aligned with the [001] in-plane direction. The observed wave pattern is identified as the surface projection of the bulk CDW's arising from the spin-density wave ground state of Cr with the Q vector parallel to [100] and [010], respectively. The bulk CDW with Q parallel to the [001] in-plane direction appears, however, to be strongly suppressed at the Cr(110) surface.

引用

页码：3500 / 3503

页数：4

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